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Date:   Fri, 24 Sep 2021 16:04:39 -0700
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Subject: Re: [RFC] Expose request_module via syscall
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To:     Christian Brauner <christian.brauner@ubuntu.com>
Cc:     Luis Chamberlain <mcgrof@kernel.org>,
        =?UTF-8?Q?Thomas_Wei=c3=9fschuh?= <thomas@t-8ch.de>,
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        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Jessica Yu <jeyu@kernel.org>
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From:   Andy Lutomirski <luto@kernel.org>
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On 9/24/21 06:19, Christian Brauner wrote:
> On Wed, Sep 22, 2021 at 01:06:49PM -0700, Andy Lutomirski wrote:

> I just meant that the programs in the container can see the modules
> available on the host. Simplest thing could be bind-mounting in the
> host's module folder with suitable protection (locked read-only mount).
> But yeah, it can likely be as simple as allowing it to ask for a module
> and not bother telling it about what is available.
> 

If the container gets to see host modules, interesting races when 
containers are migrated CRIU-style will result.